--- type: "Bill" title: "Mental health: other; definition of conversion therapy; provide for. Amends sec. 100a of 1974 PA 258 (MCL 330.1100a). TIE BAR WITH: HB 4616'23" description: "Mental health: other; definition of conversion therapy; provide for. Amends sec. 100a of 1974 PA 258 (MCL 330.1100a). TIE BAR WITH: HB 4616'23" jurisdiction: "us/states/mi" legislature: "Michigan Legislature" session: "2023-2024" identifier: "HB 4617" citation: "Michigan HB 4617 (2023-2024)" classification: ["bill"] subjects: ["Health occupations: mental health care professionals", "Mental health: children", "Mental health: other"] status: "enacted" primary_sponsors: ["Jason Hoskins"] version_count: 5 action_count: 29 vote_count: 2 first_action: "2023-05-23" last_action: "2023-08-22" source: "openstates" source_identifier: "ocd-bill/caceca29-d378-4b91-b4cd-cfa94886e617" source_url: "https://legislature.mi.gov/Bills/Bill?ObjectName=2023-HB-4617" source_hash: "2893fe1ae79c8ddc8248c039271217a0c833687f41facca828c25b34d7dcda07" vintage: "2026-07-01" source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump" retrieved_at: "2026-07-06" confidence: "reported" tags: ["legislation", "bill", "us-mi"] --- # Michigan HB 4617 (2023-2024) — Mental health: other; definition of conversion therapy; provide for. Amends sec. 100a of 1974 PA 258 (MCL 330.1100a). TIE BAR WITH: HB 4616'23 ## Version chain The bill's text revisions, in order — the diff chain from filing to enrollment. 1. **As Passed by the House** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/House/pdf/2023-HEBH-4617.pdf) 2. **As Passed by the Senate** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/House/pdf/2023-HEBS-4617.pdf) 3. **House Concurred Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billconcurred/House/pdf/2023-HCB-4617.pdf) 4. **House Introduced Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billintroduced/House/pdf/2023-HIB-4617.pdf) 5. **Public Act** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/publicact/pdf/2023-PA-0118.pdf) ## Votes - PASSED ROLL CALL # 414 YEAS 21 NAYS 15 EXCUSED 2 NOT VOTING 0 — **21–15** (pass) · upper - passed; given immediate effect Roll Call # 168 Yeas 56 Nays 53 Excused 0 Not Voting 1 — **56–53** (pass) · lower ## Sponsors - Jason Hoskins — primary (person) - Amos O'Neal — cosponsor (person) - Angela Witwer — cosponsor (person) - Carrie Rheingans — cosponsor (person) - Christine Morse — cosponsor (person) - Dylan Wegela — cosponsor (person) - Emily Dievendorf — cosponsor (person) - Erin Byrnes — cosponsor (person) - Felicia Brabec — cosponsor (person) - Helena Scott — cosponsor (person) - Jason Morgan — cosponsor (person) - Jasper Martus — cosponsor (person) - Jenn Hill — cosponsor (person) - Jennifer Conlin — cosponsor (person) - Jim Haadsma — cosponsor (person) - Jimmie Wilson Jr. — cosponsor (person) - Joey Andrews — cosponsor (person) - Julie Brixie — cosponsor (person) - Julie Rogers — cosponsor (person) - Kara Hope — cosponsor (person) - Kimberly Edwards — cosponsor (person) - Kristian Grant — cosponsor (person) - Laurie Pohutsky — cosponsor (person) - Lori Stone — cosponsor (person) - Matt Koleszar — cosponsor (person) - Mike McFall — cosponsor (person) - Natalie Price — cosponsor (person) - Noah Arbit — cosponsor (person) - Penelope Tsernoglou — cosponsor (person) - Phil Skaggs — cosponsor (person) - Rachel Hood — cosponsor (person) - Ranjeev Puri — cosponsor (person) - Reggie Miller — cosponsor (person) - Regina Weiss — cosponsor (person) - Samantha Steckloff — cosponsor (person) - Sharon MacDonell — cosponsor (person) - Tyrone Carter — cosponsor (person) - Veronica Paiz — cosponsor (person) - Will Snyder — cosponsor (person) ## Timeline The legislative action history — every referral, reading, and vote. - **2023-05-23** introduced by Representative Jason Hoskins `introduction` - **2023-05-23** read a first time `reading-1` - **2023-05-23** referred to Committee on Health Policy `referral-committee` - **2023-05-24** bill electronically reproduced 05/23/2023 - **2023-06-08** reported with recommendation without amendment `committee-passage` - **2023-06-08** referred to second reading - **2023-06-13** read a second time `reading-2` - **2023-06-13** placed on third reading - **2023-06-14** read a third time `reading-3` - **2023-06-14** amended - **2023-06-14** passed; given immediate effect Roll Call # 168 Yeas 56 Nays 53 Excused 0 Not Voting 1 `passage` - **2023-06-14** transmitted - **2023-06-15** REFERRED TO COMMITTEE ON HOUSING AND HUMAN SERVICES `referral-committee` - **2023-06-27** DISCHARGE COMMITTEE APPROVED - **2023-06-27** PLACED ON ORDER OF GENERAL ORDERS - **2023-06-27** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S) `committee-passage` - **2023-06-27** PLACED ON ORDER OF THIRD READING - **2023-06-27** RULES SUSPENDED - **2023-06-27** PLACED ON IMMEDIATE PASSAGE - **2023-06-27** AMENDMENT(S) DEFEATED `amendment-failure` - **2023-06-27** PASSED ROLL CALL # 414 YEAS 21 NAYS 15 EXCUSED 2 NOT VOTING 0 `passage` - **2023-06-27** INSERTED FULL TITLE - **2023-06-28** returned from Senate without amendment with full title - **2023-06-28** full title agreed to - **2023-06-28** bill ordered enrolled - **2023-07-18** presented to the Governor 07/17/2023 11:23 AM `executive-receipt` - **2023-08-22** approved by the Governor 07/26/2023 12:20 PM `executive-signature` - **2023-08-22** filed with Secretary of State 07/27/2023 10:08 AM - **2023-08-22** assigned PA 118'23 ## Source OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/caceca29-d378-4b91-b4cd-cfa94886e617`. Confidence: reported (aggregated from official Michigan legislature records).